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Celestion CF1840JD 4 OHM Twin Demodulation Rings Subwoofer Speaker

Celestion CF1840JD 4 OHM Twin Demodulation Rings Subwoofer Speaker

Stock: 3
Regular price $310.00 USD
Regular price Sale price $310.00 USD
Sale Sold out
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Celestion CF1840JD 4 OHM Twin Demodulation Rings Subwoofer Speaker

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Balanced airflow venting provides enhanced cooling
Twin demodulation rings
Optimised double suspension


Nominal Diameter: 457mm/18in
Power Rating: 1200W
Continuous Power Rating: 2400W
Rated Impedance: 8Ω
Sensitivity: 97dB
Frequency Range: 30Hz-2500Hz
Magnet Type: Ferrite
Voice Coil Diameter: 100mm
Chassis Type: Cast aluminium
Magnet Weight3.18mm/112oz
Voice Coil Material: Round copper
Former Material: Glass fibre
Cone Material: Kevlar loaded paper
Surround Material: Cloth-sealed
Additional Impedances: 4
Suspension: Double
Xmax: 10mm/0.39in
Gap Depth: 10mm/0.39in
Voice Coil Winding Width: 30mm/1.18in


Echotone Music LLC is an experienced E-commerce Audio Visual Equipment dealer since 1998.  We take pride in selling Pro Audio gear for musicians, sound engineers, production companies and broadcast applications.   

Shipping --Items are well packed and shipped  USPS, UPS or  Freight Service.  Items purchased on Friday may not ship until Monday or until the projected processing period.  We are working hard to get your unit Built ( if needed), processed and shipped. Processing Times  do vary

Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided, otherwise customer pays for return shipping costs.

Returned items must be sealed/unopened in original, brand-new condition, showing no signs of wear or use such as mount marks, plug marks, scratches,  scuffs, dings or scrapes, screw mount marks or collateral material damage.. Items must also include all original packaging, manuals, warrantees & accessories or your return may be subject to a return handling charge.

Refunds are for the Item cost only. If the item was listed as free shipping then the cost of the shipment will be deducted from the units original cost. Gear returned with out all its original packaging, warranty cards and accessories or that shows signs of wear from use, will be subject to an additional service/restocking fee. This item is now used and it would be unfair to resell to another customer as new. 

The following products cannot be returned - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items,  electronic software downloads, demo gear, strings, computers, vacuum tubes, earbuds, earplugs, recorders, harmonicas, raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids, clothing/footwear, cleaners, polishes & polishing cloths, software/sound ware, books, CDs, DVD's, vinyl records, and videos.

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